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TBM Annie arrives at Greenwich

A giant tunnelling machine set to create part of London’s new super sewer arrived in London this week, with parts unloaded from a ship onto the Greenwich Peninsula. The machine will be used ... More Information

Obigarm - Nurobod Road Section in Tajikistan

Obigarm - Nurobod Road Section in Tajikistan

The Obigarm-Nurobod road section of the existing M41 - part of the Central Asia Regional Economic Cooperation (CAREC) network (Corridors 2, 3 and 5) and connecting the northeast region of ... More Information

A Robbins TBM for Salvasskardelva HEPP in Norway

A Robbins TBM for Salvasskardelva HEPP in Norway

In early July, a 2.8 m Robbins Main Beam TBM began boring the 2.7 km long Salvasskardelva HEPP in Bardu, Norway. The TBM, specially designed for Norsk Grønnkraft's (NGK) ... More Information

Twenty years of FRC tunnel final lining: Lessons learnt, design proposal and new development

Twenty years of FRC tunnel final lining: Lessons learnt, design proposal and new development

B. De Rivaz Bekaert Maccaferri Underground Solutions, Erembodegem-Aalst, Belgium ABSTRACT: New guideline concerning the use of FRC precast segment has been recently published to provide detail ... More Information

Agenda Set for 12th Annual Breakthroughs in Tunneling Short Course

Course organizers have announced the agenda for the 12th annual Breakthroughs in Tunneling Short Course. The Breakthroughs in Tunneling Short Course will be held Sep. 9-11 at the University of ... More Information

Grand Paris Express update

Grand Paris Express update

On 19.07.2019 the teams of the Horizon Consortium (Bouygues Travaux Publics / Soletanche Bachy / BESSAC) - working on lot T2A of Line 15 South of the Grand Paris Express - left the construction ... More Information

Paris Line 11 extension

Paris Line 11 extension

The Paris Line 11 extension to Rosny-Bois-Perrier will be built with cut  & cover, conventional and TBM methods. The central part of the new alignment between the Serge Gainsbourg ... More Information

Press release for the 3rd ASEAN Rail Summit

Press release for the 3rd ASEAN Rail Summit

As the fastest growing region in the global economy, Southeast Asia emerging economies have attracted worldwide attention. It is estimated that by 2020, ASEAN is expected to become the ... More Information

Cooling the Tube

Retired Chartered Engineer CALVIN BARROWS proposes simple but innovative solutions to the age-old problem of overheating metro networks. Worldwide there are a significant number of Metro networks ... More Information

The Blue line extension in Montreal

On July 4th , 2019 Canada’s Prime Minister Justin Trudeau, joined by Mayor Valerie Plante, the Quebec Junior Transport Minister and Minister Responsible for Montreal, Chantal Rouleau and ... More Information

Purple Line Extension in Los Angeles

Purple Line Extension in Los Angeles

New allocation from the FTA for section three of the Metro has received a new allocation of AUD100 million from the Federal Transit Administration (FTA) for the third and final section of the ... More Information

Boring begins on the West Gate Tunnel

Boring begins on the West Gate Tunnel

The launch site - from where the 90 m long TBMs will dig south west to build the twin tunnels to connect the West Gate Freeway to the port, city and CityLink in Melbourne - has taken a year to ... More Information

Tallinn-Helsinki tunnel memorandum of understanding signed

Finest Bay Area Development has signed a memorandum of understanding with three Chinese companies, as part of plans to build the 100 km (60 mile) double undersea train tunnel from Tallinn in ... More Information

Melbourne Metro - Breakthrough at State Library Station

Melbourne Metro - Breakthrough at State Library Station

Three roadheaders have met 30 metres underground in the first major breakthrough, connecting two excavated caverns that will become State Library Station. The road headers have dug out more ... More Information

Bahrain Rail Congress 2019 – Press release

The Bahrain Rail Congress 2019 will be held under the theme “Designing & Developing a Well Connected, World Class, National Rail Network in the Kingdom of Bahrain” which is ... More Information

Excavation of the western section of the M4 completed

On  the 10th of July 2019 a second TBM arrived at Parco Solari station in Milan. Thus completing the excavation of the tunnels from San Cristoforo to Solari, part of the western section of ... More Information

Joint venture for tunnel project

Element Construction are looking for a tunnel construction company to be part of a joint venture on a tunnelling project. The tunnelling project is to build two parallel tunnels for a highway, ... More Information

West Gate tunnel update

Before tunnelling for the West Gate Tunnel Project begins in 2019, they need to divert a 600 metre section of the North Yarra Main Sewer. Diverting a sewer is a massive job that involves ... More Information

Thames Tideway Tunnel: Aerial Photos Reveal £4.2 Billion Project's Progress

London’s £4.2 billion super sewer is seen from the air as new pictures reveal deep shafts carved into the banks of the River Thames. The Thames Tideway tunnel snakes alongside the ... More Information

TBM Sandy arrives at Redcliffe

TBM Sandy arrives at Redcliffe

On Saturday, July 6th , the second 130m-long TBM arrived at Redcliffe Station for the Forrestfield Airport Link project. TBM Sandy broke through into Redcliffe Station, emerging from her most ... More Information

Ghella wins Cross River Rail Tunnel, Stations and Development Package

Ghella, as part of the Pulse consortium, which is led by CIMIC Group, has reached contractual and financial close with the State of Queensland to deliver the Tunnel, Stations and Development (TSD) ... More Information

Purple Line - TBMs Harriet and Ruth named and unveiled

Purple Line - TBMs Harriet and Ruth named and unveiled

Metro NET celebrated the ceremonial naming and unveiling of its second set of tunnel boring machines that will dig twin subway tunnels between Beverly Hills and Century City. Subway tunnelling is ... More Information

ISRBT2019

The International Seminar on Roads, Bridges and Tunnels, the ISRBT2019 will take place in Thessaloniki, 7-9 November. It will consist of three daily Sessions, 7th November: Roads, 8th November: ... More Information

TERRATEC TBM breaks through on Bangkok tight radius curve

TERRATEC TBM breaks through on Bangkok tight radius curve

TERRATEC’s tight radius TBMs are enabling a highly challenging project alignment for Bangkok’s Metropolitan Electricity Authority in one of the city’s busiest downtown areas. In ... More Information

TBM Kathleen prepares for historic dig under the Harbour

TBM Kathleen prepares for historic dig under the Harbour

Tunnel Boring Machine (TBM) Kathleen has passed its final inspection and is now ready to launch from Barangaroo next month to dig the historic rail crossing deep under Sydney Harbour. The 975 ... More Information

EXPO Ferroviaria 2019

EXPO Ferroviaria 2019

EXPO Ferroviaria 2019, the 9th International Railway Exhibition, will take place from Tuesday 1st  to Thursday 3rd of October 2019 at the Rho Fiera exhibition centre, ... More Information

VMT - Combining Guidance Technologies Provides Accurate Solution for Cable Installation

VMT - Combining Guidance Technologies Provides Accurate Solution for Cable Installation

The Award-winning E-Power Pipe® system, which was developed by Herrenknecht AG as a new method for the quick and secure installation of small-diameter cable protection pipes underground for ... More Information

First TBM arrives at the Colosseum

On the 24th of June TBM 1 which is excavating the Rome Line C arrived near the Colosseum, while TBM 2 has passed the Piazza Celimontana shaft. After arriving at Fori Imperiali the TBMs, cannot ... More Information

Penetron waterproofs the Xi’an underground utility tunnel

Penetron waterproofs the Xi’an underground utility tunnel

Construction on the Xi’an utility tunnel project is ongoing. With estimated total costs of US$2.6 billion, it is currently China’s single largest infrastructure project. The planned ... More Information

News for Z-Morh and Zojila tunnels on NH1 in Jammu & Kashmir

The government of India, following the IL&Fs financial crisis, cancelled the contracts with first contractors for the construction of the 14-km-long Zojila and 6.5-km-long Z-Morh tunnels on the ... More Information

World Road Congress Abu Dhabi 2019

World Road Congress Abu Dhabi 2019

Early bird registration for the 26th World Road Congress has now been extended until the 30th of June. For further information about the congress please click here. To register for the event ... More Information

Normet making history by doing underground explosives charging on batteries

Normet making history by doing underground explosives charging on batteries

Iisalmi, Finland, June 12, 2019. Normet made history by demonstrating battery electric emulsion charging in production environment underground on June 4th in Pyhäsalmi mine, Finland, with ... More Information

WTC2020 - Submit your abstract!

WTC2020 - Submit your abstract!

The World Tunnel Congress (WTC) 2020 will be held in the Kuala Lumpur Convention Centre, Kuala Lumpur. Growing numbers of underground innovations claimed to hold the key to unlock the door to ... More Information

Sydney Metro Project: tunnelling edges closer to the Harbour

Sydney Metro’s third mega TBM has broken through a wall of rock at the new Crows Nest Station, marking a major milestone in the project which will link the North West Metro to the CBD and ... More Information

Fehmarn Belt - EU Probing €8.7billion Tunnel Project's Financing

After appeal Europe's competition enforcer launched an in-depth investigation on the 14.06.2019  into public financing for a planned €8.7 billion ($9.8 billion) rail and road tunnel ... More Information

Forrestfield's TBM Grace at Bayswater

After relaunching, TBM Grace has now successfully tunnelled through the station box d-wall (western end). After spending five weeks at Redcliffe Station, where she underwent scheduled ... More Information

Tunnelling News

Lane JV Wins Tunnel Package for Hudson River Tunnel Project Valued at $466 Million

CHARLOTTE, NC – The Lane Construction Corporation, the U.S. subsidiary of Webuild Group, has won a $466 million contract, of which Lane has a 35% share, to construct the Palisades Tunnel ... More Information

World’s biggest developers eye bids for Dublin MetroLink contracts

A consortium made up of some of the biggest infrastructure developers in the world has formed in preparation to bid for contracts to build and operate the long awaited MetroLink rail line ... More Information

The Boring Company's Prufrock-3 completes Las Vegas tunnel

The tunneling startup did not share the length of the tunnel that ... construction projects with speed and automation. This is highlighted by ... More Information

Coastal road phase 2: Mumbai's second twin tunnel to pass under rivers, mangroves

As part of phase 2 of Mumbai's Coastal Road Project, a 22.93 km high-speed corridor linking Versova with Dahisar will be created. More Information

Rock tunnel for £1.7bn Norway road scheme takes shape

The consortium responsible for the construction of a new road system in Norway has excavated approximately 500m of a new 1.9km long tunnel... More Information

Tunnel boring machine reaches halfway point on HS2's route into Birmingham

Balfour Beatty VINCI is celebrating a key milestone in the construction of HS2's gateway to Birmingham. The joint venture today (Thursday 29 ... More Information

Gateway Development Commission secures $3.8B in funding for Hudson Rail Tunnel project

The money is the final funding piece for the $16 billion project to build a new rail tunnel that will carry Amtrak and New Jersey Transit trains under ... More Information

TBM Zelda starts on 6.5km Melbourne tunnel

The 4,000t machine is the first of two TBMs that will excavated a section of the project's twin road tunnels in the city's suburbs. Named after local ... More Information

Tunnels of the Future: Key Innovations and Projects at InnoTrans 2024

BBT SE, responsible for the construction of the Brenner Base Tunnel, will provide details on its ambitious project. This 55-kilometer tunnel is ... More Information

Hudson tunnel contract awarded

Webuild's Lane, ACS firms win $466 million Hudson Tunnel contract tunnels as part of the Hudson Tunnel Project in the New York City area, the Italian construction group said on Thursday. More Information

All women crew to build SRL tunnels

Crews are moving underground services and building tunnel boring machine launch sites, preparing sites for major construction. Suburban .. More Information

Officials break ground on one of world's longest underwater rail tunnels connecting 2 major cities

This tunneling project, which is part of the larger Mumbai-Ahmedabad HSR corridor spanning 315.66 miles, is part of an effort to reduce the ... More Information

Severn Trent unveils huge 25m deep new storm tank to ease flooding and prevent spills

Four tunnel boring machines were used to install the new sewer pipes under the town to minimise disruption, as well as lining 1km of old brick ... More Information

Here's how downtown Toronto's first subway tunnel in over 60 years will be dug

Crews are now drilling deep into the soil around the launch shaft ... Once piling is complete and this massive pit is dug, tunnel boring machines ... More Information

LTA awards S$199M contract for Maju-Clementi rail tunnels and S$400M for Cross Island

Construction will use a slurry tunnel-boring machine due to the hard sedimentary rock in the area. LTA has assured that rigorous safety measures ... More Information

Northside Interceptor Tunnel named after local environmental advocate

The machine will be named “Elaine” after environmental advocate Elaine Marsh. A tunnel boring machine is used to excavate tunnels through hard ... More Information

Tunnelling works complete on NI Water's £7.8m wastewater upgrade at Meadow Lane

The 25-tonne Tunnel Boring Machine (TBM) broke through to the new stormwater storage tank to complete this significant element of work. The new ... More Information

The longest railway tunnels in the world

The three rail tunnels have a diameter of 7.6 m, while the service tunnel has a diameter of 4.8 m. A total of 11 tunnel boring machines (TBM) dug the ... More Information

Reusing dirt and rock as we build the North East Link tunnels

As the TBMs dig underground, excavated dirt and rock is moved via an enclosed conveyor system that crosses high ... More Information

Nanjiao-Xichang section of tunnel

Guangzhou International Guangzhou International Recently, the right-line tunnel boring machine (TBM) tunnel of the Nanjiao-Xichang section (hereinafter referred to as the "Nanxi ... More Information

Fehmarn Belt Tunnel opening set for mid-2029

This reduces waste and simultaneously strengthens the supply security for the project by producing steel grids to size and on demand. Setting up for ... More Information

HRBT Expansion Project's first gantry extracted and lifted

Mary the Tunnel Boring Machine exited the tunnel and made her U-turn back in June. Work on the second tunnel will begin in September of this year... More Information

Gateway Board Forms Search Committee for CEO to Lead $16B Tunnel Project

The Gateway Development Commission, which leads the $16.1-billion Hudson Tunnel Project between New Jersey and New York, has launched a board ... More Information

Costain awarded £6.6m by Thames Water to upgrade Hertfordshire treatment sites

Costain, the infrastructure solutions company, has been awarded a contract with Thames Water to upgrade strategic treatment assets in Markyate and Brickendon in Hertfordshire... More Information

National Grid switches on first 2.5km circuit of £1bn London Power Tunnels 2

The LPT2 project has seen 32.5km of new tunnels bored under the capital city between Wimbledon and Crayford to host a new high voltage 275kV network. The 3m diameter tunnels were bored by ... More Information

_Goregaon-Mulund Link Road Nears Completion, Set To Cut Travel Time To 25 Minutes

The tunnels, which will be excavated using a tunnel boring machine with a diameter of approximately 14.2 metres, will be equipped with lighting ... More Information

Snowy 2.0 Tunnel Boring Machines Update

The Snowy 2.0 project continues to make significant strides with its Tunnel Boring Machines (TBMs) advancing the construction of critical ... More Information

Vancouver's Broadway subway tunnel boring equipment arrivin

The tunnels will serve all six stations of the Millennium Line SkyTrain extension project, from Great Northern Way to Arbutus Street. Each boring ... More Information

IN MEMORIAM - OLIVIER VION (1962-2024)

Through the past decades, the energy and foresight to lead the management of the ITA International Tunnelling and Underground Space Association has been in the hands of Olivier Vion, a man ... More Information

Amtrak awards construction contract for East River Tunnel rehabilitation

The $1.6 billion project calls for demolishing all existing tunnel systems down to the liner, then restoring both tubes. During the project, one tube ... More Information

Strabag in €110 million deal to equip transalpine tunnel

Austrian contractor Strabag has won a €110 million (US$120 million) to equip a transalpine tunnel linking Austria and Slovenia... More Information

19 tunnel boring machines for Manila subway set

A close-up of the tunnel boring machine head, with a diameter of 6.9 meters. ... The first cutter head of the first tunnel boring machine (TBM), named ... More Information

$16 billion Gateway Tunnel Project gets federal funding boost after years of delays

The $16.1 billion project includes a new rail tunnel linking New York and New Jersey — and is set to be open by 2035 ... More Information

Preferred bidder announced for second tunnelling contract

The global consortium of WeBuild S.p.A, GS Engineering and Construction Australia and Bouygues Construction ... Tunnel Project, North East Link ... More Information

Bechtel Picked as CM for $12.7B Single-bore BART Extension

Officials with the VTA are aiming to begin major construction and tunnelling for the $12.7-billion BART Silicon Valley Phase II Extension Project next ... More Information

Stonehenge could be put on world heritage danger list over tunnel plan

The United Nations Educational, Scientific and Cultural Organization (UNESCO) has recommended that Stonehenge be listed as ‘World Heritage in Danger’ due to the A303 upgrade scheme and is ... More Information

World’s longest railway tunnel to reopen after a year

The tunnel closed on 10th August last year following the derailment of a freight train, and SBB has since been pushing ahead with repair work... More Information

Afcons Infrastructure Wins Bid for Thane Tunnel Project

Afcons Infrastructure secures the L1 bid for a tunnel project in Thane, marking a significant milestone in infrastructure development. More Information

Kolkata Metro: D-Wall's Construction Work At Victoria Metro Station Is Advancing Swiftly

For the tunnelling work of the stretch from the Khidderpore to Park Street stretch of this Corridor, two Tunnel Boring Machines (TBM) will be deployed ... More Information